For add your dvr 1st time you want to add some information in this app. So click top of the page left side you will see 3 lines click on it.

Home

Live Preview

Playback

Device Manager

Local Files

Favorates

Local Config

Click to Device Manager.

Click to + sign right side top of the page.

You get some options:

P2P

Quick DDNS

Dahua DDNS

IP/Domain

Wifi Configuration

Import Cloud Device

Click to P2P.

Register Mode – P2P

Name – (Fill any name what you want)

SN – (Click to 4 boxed then your mobile phones camera is open automatically then focus on bar code which is shown on your DVR P2P Setting. It will automatic scan your dvr Seriel number) or ( you can enter dvr serial number which is mention on dvr box & bottom side of DVR)

Username – admin

password – ***** (default-admin)

Live Preview – Extra (change this option to Main it will helpto better video quality)